The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 1995
Filed:
Dec. 20, 1993
Edward A Hantle, Caro, MI (US);
General Motors Corporation, Detroit, MI (US);
Abstract
A motor vehicle fuel pump including a tubular shell, an electric motor in the shell having an armature shaft rotatable about a longitudinal centerline of the shell, and a pump assembly at one end of the shell having a first rotatable element therein and a second element therein between the first rotatable element and the electric motor. A barrel-shaped driver in a cavity between the first and second rotatable elements includes drive lugs on each longitudinal end projecting into corresponding drive sockets in the first and second rotatable elements. Each drive lug has a rounded edge engaging a side of the corresponding drive socket such that the driver is effectively decoupled from the first and second rotatable elements except with respect to force reactions establishing torsional force couples on the rotatable elements in planes perpendicular to the longitudinal centerline of the shell. The armature shaft has a distal end defining a drive tang received in a correspondingly shaped cavity in the barrel-shaped driver.